940360871809 has 2 divisors, whose sum is σ = 940360871810. Its totient is φ = 940360871808.

The previous prime is 940360871767. The next prime is 940360871819. The reversal of 940360871809 is 908178063049.

940360871809 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 724493773584 + 215867098225 = 851172^2 + 464615^2 .

It is a cyclic number.

It is not a de Polignac number, because 940360871809 - 2²¹ = 940358774657 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 940360871809.

It is not a weakly prime, because it can be changed into another prime (940360871819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470180435904 + 470180435905.

It is an arithmetic number, because the mean of its divisors is an integer number (470180435905).

Almost surely, 2^940360871809 is an apocalyptic number.

It is an amenable number.

940360871809 is a deficient number, since it is larger than the sum of its proper divisors (1).

940360871809 is an equidigital number, since it uses as much as digits as its factorization.

940360871809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2612736, while the sum is 55.

The spelling of 940360871809 in words is "nine hundred forty billion, three hundred sixty million, eight hundred seventy-one thousand, eight hundred nine".